#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>

int main() {
    float w = 0, h = 0;
    scanf("%f %f", &w, &h);
    float BIM;
    BIM = w / (h * h);
    if (BIM > 18.5 && BIM < 23.9)
        printf("Normal\n");
    else
        printf("Abnormal\n");
    return 0;
}